Heartbeat (Noun)
Meaning 1
The rhythmic contraction and expansion of the arteries with each beat of the heart; "he could feel the beat of her heart".
Classification
Nouns denoting natural events.
Synonyms
Hypernyms
Hyponyms
Meaning 2
An animating or vital unifying force; "New York is the commercial heartbeat of America".
Classification
Nouns denoting attributes of people and objects.
Meaning 3
A very short time (as the time it takes the eye to blink or the heart to beat); "if I had the chance I'd do it in a flash".
Classification
Nouns denoting time and temporal relations.